! SIEMENS Small Signal Semiconductors ! BF660 ! Si PNP RF Bipolar Junction Transistor in SOT23 ! VCE = -1.75 V IC = -25 mA ! Common Emitter S-Parameters: January 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.7554 -171.9 1.813 105.8 0.0148 18.8 0.4598 -9.8 0.020 0.7795 -175.8 0.965 92.6 0.0159 15.7 0.4377 -8.5 0.050 0.7937 -179.0 0.409 72.0 0.0165 18.6 0.4149 -11.4 0.100 0.8040 178.5 0.199 47.0 0.0176 30.4 0.3787 -16.6 0.150 0.8105 176.3 0.121 30.5 0.0197 44.4 0.3466 -19.7 0.200 0.8149 174.2 0.079 22.9 0.0234 54.5 0.3208 -21.4 0.250 0.8183 172.4 0.057 22.1 0.0285 62.0 0.3018 -22.3 0.300 0.8214 170.3 0.045 33.4 0.0335 66.2 0.2863 -22.8 0.400 0.8226 166.4 0.044 54.9 0.0446 71.0 0.2655 -23.7 0.500 0.8227 162.9 0.054 68.3 0.0563 72.8 0.2508 -24.4 0.600 0.8233 159.2 0.067 72.6 0.0679 73.6 0.2390 -25.3 0.700 0.8226 155.9 0.078 73.3 0.0800 73.7 0.2297 -26.4 0.800 0.8262 152.5 0.091 72.0 0.0916 73.2 0.2209 -27.6 0.900 0.8288 149.2 0.104 72.0 0.1035 72.5 0.2127 -29.1 1.000 0.8262 145.9 0.116 70.9 0.1153 71.4 0.2053 -30.4 1.100 0.8258 142.7 0.128 70.6 0.1268 70.6 0.1983 -31.9 1.200 0.8292 139.6 0.139 69.1 0.1387 69.3 0.1907 -33.5 1.300 0.8257 136.5 0.152 68.0 0.1497 68.1 0.1836 -35.1 1.400 0.8240 133.5 0.165 66.7 0.1617 66.9 0.1773 -36.7 1.500 0.8238 130.8 0.175 65.4 0.1725 65.6 0.1706 -38.4 1.600 0.8233 127.9 0.187 64.1 0.1840 64.1 0.1630 -40.5 1.700 0.8196 125.0 0.196 61.8 0.1951 62.8 0.1564 -42.1 1.800 0.8169 122.4 0.207 62.3 0.2066 61.4 0.1505 -43.8 1.900 0.8167 120.0 0.217 60.3 0.2175 60.1 0.1433 -45.8 2.000 0.8128 117.1 0.229 59.4 0.2283 58.7 0.1364 -47.8 2.200 0.8051 112.0 0.249 55.4 0.2492 55.8 0.1239 -51.6 2.400 0.8053 107.1 0.267 52.8 0.2698 52.8 0.1094 -55.8 2.600 0.7970 102.2 0.295 49.6 0.2889 49.9 0.0969 -60.3 2.800 0.7935 98.1 0.311 46.8 0.3075 47.0 0.0821 -65.9 3.000 0.7876 94.0 0.323 44.7 0.3244 44.0 0.0699 -72.6 ! ! SIEMENS AG Semiconductor Group, Munich